# Posts by joe

Total # Posts: 2,753

1. ### physics

The objects listed below are placed at the top of a ramp, and roll down to the bottom without slipping. Assuming that there is no air resistance, rank them in order from fastest average rolling speed to slowest. Penny, large marble, basketball, and hula hoop
2. ### Physics

I cannot find the answer anywhere on the reading or notes. Which of the following is a primary function of an adaptor that you plug into an ordinary electrical socket? It converts AC input to DC output. It converts AC input to AC output of a different frequency. It converts DC...

???
4. ### algebra

Find an equation for a line that has a slope of -13 and contains (-7, 2) Answer choices 1. y = -13x - 89 2. y = 13x + 93 3. y = -13x + 19 4. y = 13x - 33
5. ### Math

What is the probability if two dice are thrown of rolling a 5 with one and a 6 with the other?
6. ### math

Ms Johnson gives one eighth of a pizza to each of her 24 students. Write a multiplication expression and a pictorial representation
7. ### math

im alrealdy triying by asking for help
8. ### math

hey aleast im trying not like those who dropout
9. ### math

i sorry but i need help im a undergrad student so i fail most of the time and im fall back so yeah need answeres
10. ### math

i want a answer this is a answer to question website (A2A)
11. ### math

Micah has a new remotely controlled car that has a circular range with a radius of 30 feet. What is the area of the circular range?
12. ### Algebra

A chemist made 50 ounces of an acidic solution by mixing two different concentrations of the solution. He mixed x ounces of acidic solution with an 80% concentration and an acidic solution with 90% concentration. Which equation can be used to determine the concentration of the...

Thanks!
14. ### Math [Algebra]

Josh simplified 4x - 8x ÷ 2 and said the answer was -2x. What was Josh's error? What should his answer should've been?
15. ### Chemistry

What is the second electron affinity of Se? I believe the first is... Se- -> Se + e- The second.... Se -> Se+ + e-
16. ### Alg 1

The mean score on Mr. Pascal’s first semester exam for his 28 students is 73 points. If he removes the lowest score of 19 points, what is the adjusted class average ? (arithmetic mean)
17. ### math

Thanks dude I got it :)

2432?
19. ### math

The population of Circletown has been growing at an annual rate of 5% for the last 5 years. The population is now 3104 people. What was the population of Circletown 5 years ago?
20. ### Algebra I

19 is correct Thanks Ms. Sue
21. ### Algebra I

whoops i meant 184

18.4
23. ### Algebra I

The vertical drop of a roller coaster is the largest difference in height between any high point and the next low point. The vertical drops of five roller coasters at Mandelbrot Amusement Park are shown in the table. The Parabola - 165 feet The G Force - 119 feet The Mean ...
24. ### Algebra I

132 and 755 is not the answer can you walk me through
25. ### Algebra I

The vertical drop of a roller coaster is the largest difference in height between any high point and the next low point. The vertical drops of five roller coasters at Mandelbrot Amusement Park are shown in the table. The Parabola - 165 feet The G Force - 119 feet The Mean ...
26. ### Math

If Teresa's daughter is my daughter's mother then what am I to Teresa. A grandmother B.great grandmother C. Mother D.daughter E. I'm Teresa
27. ### Science

Using the ideal gas equation, determine the number of moles present in a gas if it has a pressure of 2.35 atm, a volume of 1.49 L and a temperature of 40.2 oC. Enter your answer in standard notation.
28. ### Algebra

246.84 is wrong
29. ### Algebra

While going for my daily run, I passed a squirrel carrying a nut in her mouth. When she saw me, she ran towards a safe place and, coming to a stone wall, easily jumped up on it and disappeared. I began to wonder how high I could jump if I were a squirrel. If an average ...
30. ### Math

wait so the x value is ____
31. ### math

The weights of ice cream cartons produced by a manufacturer are normally distributed with a mean weight of 10 ounces and a standard deviation of 0.5 ounce.(a) What is the probability that a randomly selected carton has a weight greater than 10.21 ounces?(b) You randomly ...
32. ### French

Is “bonjour mon baguettes” culturally insensitive
33. ### Chemistry

The heat evolved in the reaction of hydrobromic acid with potassium hydroxide was determined using a coffee coup calorimeter. The equation for the reaction is: HBr(aq) + KOH(aq) -------------> KBr(aq) + H2O(l) When 25.0 mL of 1.00 M HBr at a temperature of 24.5oC was ...
34. ### Chemistry

This is Joe again the answer should be -13.8kcal/mol but i don't know how to this get this answer.
35. ### Chemistry

The heat evolved in the reaction of hydrobromic acid with potassium hydroxide was determined using a coffee coup calorimeter. The equation for the reaction is: HBr(aq) + KOH(aq) -------------> KBr(aq) + H2O(l) When 25.0 mL of 1.00 M HBr at a temperature of 24.5oC was ...
36. ### Pre algebra

Expression in simplest form that represents the perimeter of a polygon that is 8cm 9x 8cm 9x
37. ### Social studies

What are major differences between ancient Aksum and modern day Ethiopia???? Need help fast!!!!!!
38. ### Precalc

Find a possible formula for the trigonometric function whose values are in the following table (note the values in the table may be slightly rounded): x 0.00 0.17 0.33 0.50 0.67 0.83 1.00 1.17 1.33 1.50 1.67 1.83 2.00 g(x) 4.00 5.50 6.60 7.00 6.60 5.50 4.00 2.50 1.40 1.00 1....
39. ### Precalc

point) The pressure P (in pounds per square foot), in a pipe varies over time. Four times an hour, the pressure oscillates from a low of 40 to a high of 300 and then back to a low of 40. The pressure at time t = 0 is 40. Let the function P = f(t) denote the pressure in pipe at...

Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as much detail as necessary for someone to actually prepare the solution using good laboratory technique. • 250 mLs of a 5% NaCl (w/v) from solid ...
41. ### Chemistry

This is due very soon, please help!!! Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as much detail as necessary for someone to actually prepare the solution using good laboratory technique. • ...
42. ### Chemistry

Describe how you would prepare the following two solutions. Be sure to include the type of glassware which you would use and as much detail as necessary for someone to actually prepare the solution using good laboratory technique. • 250 mLs of a 5% NaCl (w/v) from solid ...

THX
44. ### Math

A sales representative for Data Electronics earns a salary of 1314 dollars per month plus a commission based on the total value of her sales. If she earned 1484.40 dollars for the month and her sales totaled 5680 dollars, what is her rate of commission?
45. ### Chemistry

I dont understand this. please explain the relationship between wavelength, frequency and energy of light waves and the difference between the types of electromagnetic radiation.
46. ### Chemistry

An electron in a hydrogen atom absorbs 15.5 x 10-20 J of energy. If the electron originated at energy level 3, to what level was it excited?
47. ### science

What is the energy of light (in J) emitted by a hydrogen atom when an electron relaxes from the 7 energy level to the 5 energy level?
48. ### Chemistry

What is the energy of light (in J) emitted by a hydrogen atom when an electron relaxes from the 7 energy level to the 5 energy level?
49. ### Chemistry

According to the idea of wave particle duality, which of the following items has a wavelength? Choose all that apply. An electron moving at 2.80 m/s. A planet moving at 180,000 km/hr. A gas molecule moving at 515 m/s A person running at 10 mi/hr. i think its A and D is it ...
50. ### Chemistry

Why wasn't information about the mass of isotopes sufficient for identifying the isotopes? Provide an example to explain the answer. Figure 2 shows 2.5 min averaged spectra of ambient aerosol at nominal m/z 208 obtained with the HR-AMS located at T0. Panel A compares V- ...

What type of business can be designated as profit or non-profit? a)Corporation b)Company c)Sole proprietorship d)LLC
52. ### Algebra

This is a two part question, make sure you answer both parts: In the following subtraction problem the letters A, B and C stand for three different digits ( There are not any other operations involved in this problem). What digits should replace each letter? ABA - CA = AB What...
53. ### Pre Calc

1)A particular pain relieving medicine has a decay rate of 10 % per hour. A patient was given a dose of the medicine 7 hours ago and there is currently 68 milligrams of the medicine in the patients bloodstream. 2)How long will the patient need to wait for there to be less than...
54. ### Social studies

This is ur site Ms. Sue?
55. ### math

I also got 125,000

Thx
57. ### Maths

The heights of four of the starting players on the basketball team are 183 cm, 178 cm, 174 cm, and 185 cm. If the mean height of all five starting player is 182 cm, what is the height of the fifth starting player? Plz explain
58. ### Math

Thank You Scott
59. ### Math

You have five identical pieces of equipment. There is a 1 in 10 chance that each piece will fail in a year. What is the likelihood that ALL pieces fail in the same year?
60. ### Algebra

Trina has 36 marbles in three different colors. There are twice as many red ones as blue ones. There is one more green marble than there are red marbles. How many red marbles are there? How many green marbles are there?
61. ### Math

1) The numbers 2 and 3 are prime numbers. They are also consecutive numbers. Are there other pairs of primes that are consecutive numbers? Why or why not? 2) which group of numbers, evens or odds, includes more prime numbers? Why?
62. ### Math

a) Find all of the numbers between 1 and 1,000 that have 2 as their only prime factor. b) What is the next number after 1,000 that had 2 as its only prime fractor?
63. ### phisical science

On a winter day the temperature drops from –15°C to –25°C overnight. If a pan sitting outside contains 0.20 kg of ice, how much heat is removed from the ice for this temperature change?
64. ### anthropology

I'm glad my question helped you to find answers too Karen! Thanks bobpursley!
65. ### anthropology

I have to write a paper about the role anthropologists play in migration with 3 examples. They just study migration, right? so would I just pick 3 examples of different people that have migrated?
66. ### Algerbra

Six friends split the cost of a party. each person also spends \$65 for a hotel room. each person \$160 on the party and a room. What is the cost of the phone?
67. ### Precalculus

What is the radian measure of arctan 1/2 + arctan 1/3?
68. ### Physics

Matt is attempting to sail a sailboat northeast across the river with a velocity of 13 m/s relative to the current of water. The water current is flowing from south to north at a velocity of 6 m/s. If the angle between the velocity of the sailboat and the water current is 40 ...

500

333197
71. ### Ed Tech plz helppppp

1.A 2.B 3. D 100%
72. ### Ed Tech plz helppppp

kelly is right

its D C C A
74. ### Algebra

y varies jointly as X and Z. y=64 when x=4 and z=8. Find y when x=8 and z=6
75. ### Math

9a to the 4th power squared
76. ### Help me again in stats

Find the corresponding z-score to the given value and determine whether the value is unusual. A weight of 225 pounds among a population having a mean weight of 161 pounds and a standard deviation of 23.0 pounds.
77. ### Stats in need of help

Assume that you entered a drawing to win one of 35 movie tickets. If only 650 people enter the drawing, determine the probability of winning (round your answer to three decimal places)

79. ### math

Macy's Department Stores markup men's cologne 63% on cost for an 8-ounce bottle. A bottle of cologne costs Macy's \$23.00. What is the selling price for the 8-ounce bottle? \$31.51
80. ### Data

Of 20 people invited to a pool party, 4 prefer vanilla ice cream, 7 prefer chocolate, and 3 prefer strawberry. The host surveys six of these people at random to determine how much ice cream to buy. a) What is the probability that at least 3 of the people surveyed prefer ...
81. ### Math

Suppose that the weather forecast calls for a 30% chance of rain on each of the three days of a long weekend. What are the odds in favour of no rain throughout the entire long weekend? Claudia and Ally are the two favourites to win an upcoming golf tournament. If Claudia is ...
82. ### Math

Calculate the probability that 200 rolls of two dice rolls will include a) more than 30 sums of 5 b) between 30 and 40, inclusive, sums of 5
83. ### Math

A designer enlarged both the length and the width of a rectangular carpet by 50 percent. The new carpet was too large so the designer was asked to reduce its length and its width by 20 percent. By what percent was the area of the final carpet design greater than the area of ...
84. ### Math

The list below gives the number of patrons per day over a 30-day period during July at a theatre. 127 126 125 132 128 122 156 172 183 171 160 140 154 160 122 187 185 158 112 145 168 187 117 120 171 171 156 163 168 162 a) Find the mean and standard deviation of these data. b) ...
85. ### Math

How do I convert improper fractions into decimals?
86. ### Maths

Given that the line y=mx+c is a tangent to the circle (x-a)^2+(y-b)^2 = r^2 show that: (1-m^2)r^2=(c-b+ma)^2
87. ### Maths

show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y + 14x = 0 do not intersect

idk
89. ### History

Which of these values was central to the Transcendentalist writers
90. ### social study

Ea he posted that like a year ago
91. ### Spanish 1 b

please check my answers 2. How do you say one must in Spanish A. Hay que * B. A menudo C. Que más D. Es necesario 5. A person of mixed European and indigenous heritage is commonly to as a____ A. Mixtec B. Mestizo* C. Maya D. Nahuatl 6. Which is not a place in the ...
92. ### math

a bus driver filled up 7/8 of her fuel tank for a trip. she used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. how much fuel did she sue for the trip. express answer a decimal

94. ### Maths

Please solve this trigonometric identity proof problem. I have completed 20; this is the hardest one. Many thanks (sin^3(x)-cos^3(x))/sin(x)-cos(x)=1+sin(x)cos(x)
95. ### georgraphy

Dis dos yo mamas anus

4.2
97. ### math

what is 8,903.045 in 100s place
98. ### Maths

A monument is to be constructed in the form of a pyramid with base ABC in which AB = AC = 15M and BC = 20m. The vertex,v is 12m vertically above A Calculate the area of triangle VAB Calculate the area of triangle VBC Special bricks for the outer faces are required and 14 ...
99. ### Maths

An item of jewellery consists of two identical pyramids, PABCD and QABCD, joined at their common rectangular base. AB = 8mm, BC = 12mm and PQ = 30mm. The line pq passes through the centre of the rectangle ABCD. Calculate the area of triangle ABP Calculate the area of triangle ...
100. ### math

solve for x 4x+5=8+x
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